remove dead code, update screenshots, add PWA support

src/utils/locale.ts

@@ -1,10 +1,8 @@
 import { i18n, type MessageDescriptor, type Messages } from "@lingui/core";
 import { msg } from "@lingui/core/macro";
-import { useLingui } from "@lingui/react";
 import { createIsomorphicFn, createServerFn } from "@tanstack/react-start";
 import { getCookie, setCookie } from "@tanstack/react-start/server";
 import Cookies from "js-cookie";
-import { useMemo } from "react";
 import z from "zod";
 
 const localeSchema = z.union([
@@ -146,12 +144,6 @@ export function isRTL(locale: string): boolean {
 	return RTL_LANGUAGES.has(language);
 }
 
-export function useIsRTL() {
-	const { i18n } = useLingui();
-
-	return useMemo(() => isRTL(i18n.locale), [i18n.locale]);
-}
-
 export const getLocale = createIsomorphicFn()
 	.client(() => {
 		const locale = Cookies.get(storageKey);